Ignore PDM project-wide config

Co-authored-by: NLukasz Sobczuk <sobczuk.lukasz@wp.pl>

See https://pdm.fming.dev/#use-with-ide

Create Toit.gitignore

[VisualStudio.gitignore] remove a trailing space

Update Gradle.gitignore

Remove empty line comments in Terraform.gitignore

Fix spelling error in Python.gitignore

Adding AWS-CDK ignore sample.

Android Studio 2020

Fix typo of Perl.gitignore

feat(terraform): adds tfvars.json to gitignore

Ignoring 3 xml files that are often modified simply by opening and testing a project.
And that only store local data.

Fix a typo: `maintainted` to `maintained`

Unignore gradle-wrapper.properties. For context, see docs: https://docs.gradle.org/current/userguide/gradle_wrapper.html#sec:wrapper_generation

- Remove a reminder to look at files that don't exist anymore
- Remove ignore rules for an IDE from 2007
- Remove an ignore rule for Gcc which is no longer used since 2013